A vital force or driving impulse: Broadway is the heartbeat of the New York City theater world. (noun)
An instant: The police arrived at the scene in a heartbeat. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "heartbeat" in a sentence
"With the nine-year-old Doha round of trade talks on the back burner, "the only [global] trade negotiation with a heartbeat is the GPA," says Simon Evenett, a trade economist at the University of Saint Gallen in Switzerland."
"During thawing, the heartbeat is also the first physiological activity that is restored."
""The drum is what we call the heartbeat of our people," he said."